Combined frog and section insulator



00ct. 2s, 1930.

T. A. THOMAS ET AL COMBINED FROG AND SECTION INSULATOR 2 She-ets-Sheet lFiled July 6, 1929 Oct. 28, 1930- T. A. THOMAS ET AL COMBINED FROG ANDSECTION INSULATOR Filed July 6, 1929. 2 Sheets-Sheet 2 ATTORNEY`'Patented Oct. 28, 1930 i *Y i 1 imnoimsa. 'rnomnsnnn WADiHIFQHAWIE',sRf, or HnNrINeToN,?`WEsTvIReINA: i -'OMBINDFROG ANDsncl'roiv''insuiin'ioieV4 l AppncatinmedJuly-e,ieee."sreifivqfs'zeszl "iIThis invention relates to improvements inl ly longer than the block`2,with the'block trolley lines, and its general object is to pro- 21arranged at an inclination with respect Eto vide vajcoinbir'ied, frog'and'sectionjnsulator' the block lv and disposed between the blocks Ywith manuallyoperated'switches forcontrolf` lxand -2 is a wedge member 3thatlisfheldin i ling the circuits in the main'and branch linesoperative position through'the instrumental;` 55 from the frog, wherebythe'operator cangconity of 'a bolt and nut connection 4 whichl exv trolthe'ci'rcuits in accordance with the course tends Vthr'oughthe blocksfor holding the lat-A of travel over thelines. j c terassociated asclearly shown .in Figure 2 i A. further object ofthe invention is topro-' of the drawings. The bolt and nut connection Y l0 vide a device ofthe character set forth, that is 4 has' itshea'dv and y'nut.'countersunkin the 6o Y primarily designedfor sectional trolley wiresVrespectiveblocks as shown. .iV f

'Y 4used in mines andv industrial plants, and the; vecureol tothe uppersidel ofjtheblocklv Vdevice isoprovidedfrom partsfthat are detach#adjacente'ach end thereof, as well as'adja--, able'and held togetherbybolt andjnut c on-v cent` 'onefendi'ofthe blockZthroughthe mel5-ne'ctions, with r'the r esult thatidamaged or diumofscrewspassing'through theflanges 5 65 1J worn parts can bereplaced andin somein-` thereof aref'bracket members 6 whichfhave* stances without removingthe devicein its 'en-I their bodies Idisposedgin' spaced 'relation withtiretyv4 from its hanger, whereforeservice can respect.tothebloels,"vvith slots 7 'formed besubstantially ainta'inedunder,praetical-` therein for fthe 'purpose' of aocomln odatingA `2'0 lyAall conditions."y f if f j the Shanks of nuts 8 that areloosely'inounted 70 AvAnother' object'of the invention is` toprobetween' r'the bracket memberseandj; blocks,v vide afrog and switchsection of the insulated AThe Shanks lreceive'hanger members` wherebytype, fo r trolley wires, that is formed in a` the-'device can'bfesupported vfrom cables or single'unit andl which can be installed in anyother suitable means as well as the rooffof a 25 easy and expeditiousmanner, is inexpensive minefas will be'apparent. `e v 75 to manufactureand maintainand is extremely Secured Vtov the bottom faces' oftheblocks' eiiicientin operationiand service. and in a manner .to underliethe' juncture This invention alsoconsists in certain other thereof abridging Vcasting 9wh`ich is's'ub- Y features of construction and inthecombinalstantially liiat ,f andvk held Afixed kto theblocks. 30 tionandarrangement ofthe several parts, to through' the Imediuinof screwsl10,1 "I 80 be hereinafterl fully described,illustrated in This' castinghas formedl with its'side edges the accompanying 'drawings andVspecifically guard rails' or anges 11, and Vwhile one of pointedout inthe appended claims. these side edges is disposed substantially par- Indescribing our inventionin detail, refallelv with the'blo'c'k 1 ,th'eopposite 'side edge` v 35 erence will be had to the accompanying4drawvisv disposed parallel with the block 2', with the 85V ings whereinlike characters denote like or 'result thatthe guardrails are` arrangedat corresponding rparts throughoutthe several an angle with respectAtoleachy other lasbest views, rand in which: l shown in Figure, duetothe arrangement Figure 1 is a side elevation of the device oftheblocks.v j Formed integral with the 'caste 4 forming thesubject matterofthe present ing 9'is a U-shaped capmember 12,arranged 90 Y Yinvention.' e f upon opposite sidesof the block l and the -Figure-2 is atop planview thereof.` adjacent end' thereof as best shown infFig-VFigure 3' is a bottom'pl'an viewshowing ure 2,; and 'formedwith thiscap member parts in full and dottedlines.j 1 j" as well as the bodyoftheca'sting is atrolleyy "Figure 4 isa sectional view'takenapproxicarrier 13 which extends a considerable dis# 99 matelyon line 44`of Figure 3, looking fin tancebeyond theouterend rofthe castingfas thedirection ofthe arrows@` fj j well as' inwardly ofjfthe. outer'efndgas,best

' fReferring tothe drawings in detailfthe refshown in' Figure '3, and.this trolley carrier erencenumeralsland 2indic'ate blocks ofin- 13j hasits inner portionfdisposed .substanf' sulating material, the'block'lbeing relativetially midway: between ftheV oppositesides Mo, y

- cludinga front,

of the casting. The carrier is provided with 'a bore for a portion ofits length for the purpose of receiving one end of a trolley wire 14which is held therein through the instru- .mentality of bolts 15. Thebody of the castaudit? are' dsposedsim spacectfrelaton with' respect toeach other, aswell as with respect to trolley carrier 13. fr*

Secured to the end ofthe, olo ck 10 opposite the end having theU'lsha'ped' cap' 'nenl-v ber securedtheretois a cap member 18 -in-katopvand aside. .The-,cap ineinber 18 islixedj' to theblloclrby bolt,and

nutconnections 19 andjorrned .with the top vand front thereoi-satrolley' carrier .2()y which is .aligned with the trolley carriers 16and 1 3.c The trol-ley .ca rrier20 isprovidedwith al bore to receive.`a. trolley wireinthe same manner asy i the outer endor" the block 2i's`.a 'cap member 21 that likewise' includes a front, Va side and atopfandiformedfwith ythe front and top is a. trolley carrier 22 which isaligned with the Carrier 1 7. andthecarrier 22 .is provided lto receiveatrolley' wi-refof a braf'reh line orv the like; the trolley `carrier 22lil5en7vi-se secured to' the 'block4 V2 through of bolt ancientonnleenoristhat thro.ugh thebloelrand the side member w'r-hta tore pass,

fg 9` has formed therewithaside strip 23' which .rises fromv thecasting, in wardl'yfof oneedge thereof, and this side stripy isfprovided: with a recess as best shown in Figurel. VFormed integral :withthe side Strip-23I is. an elongated piece 24 thatfhas securedv theretoand extending therefrom spaced vparallel cl'ips25 for vthe purpose ofrec"ei-ving; a bladef26, between the same,' and the" bladel has foneo:-its ends pivotallysef Cured 'mi Clips 27' Smlfed t@ a `newsinn-1alil-@Piece 24? andwhieh reformed with the ITheV blade,2 6 has A'securedto ,its opposite end afhandle '28 yarranged at. van anglewith respeftftthe blade -andzfsaid handlefi's [formed lfrom rubberorother insulatingmat" l" The bladefand cclips" constitute a' hfaswill1 Vbe' appareiihandsecured. to the blade by suitable detachable means Asuch asfbolt andlnutcnfreQtionsfis oneofthe arms 29.1%@ brakegarniert@ opposite am 3* ,1 hasformed' therewith a trolley carrier 32 aClled to be a lfignedwththegcarriersj 1,6

. I'ragedjupon the opposite ,side of the C lfevice andffforrned the'casting 9 a plateA 33. l disposed in` "contacting .engagement with''the block 'at ione fend, and this jplat lie-hes@Westerwelle Piiffoewel@ `a"trolle`y carrier 35 which is` aisposedfni registration-,wimthe.@arriere-22 doesthe carrier 1 3.V Secured to 20..The'swit'ch blade35'islilrewise provided.

extend clips 34 that are arranged in spaced relation with'respect toeach other to slidably receive one. of the ends of a switch blade 35,while the oppositeend of the switch blade is pivotally'secured betweenclips 36 extend- 1110 c to theblade 3 5` intermediate its endsVvisyfonej of the' arins -o f a 'brafoket 37, while the opposite arm hasformed therewith adapted to be and 17 when the switch which i-s provided"withtheswitchfblalle 35 is in closed positionas shownin full. lines inFigure 3. How- 4`tl`1"e'swit"'eh blade is disposed to open/pif is,itionl asi shown. in dotted-li'nes,g'the carrier; 3j5z. i sarranged'outzof registration witharespectgto the carriersa 22-andf-17, andthefeircut romethe mainline tothe branch line of thewires-will .beopened.l i if 5- @hefwiehhinweis .dispsedg in,- open rvpositioin, the..circuit in the main. line, isopen and the carrier disposedV outofalignmentA 1with respect to the ca1riers 16 and withla handle indicatedbythegreferencennfiaye provided. a combined frog and ,Section from apiece formed with the cap niember 21.. Secured I eral36andthisvhandlefisf also, orniedgfroni.

parts, provided thatsucl-changes kall f-witli f the. character.dess'lribaicompr'isineeiner ofl blocks forme. dV frQIIl insulating."materia-l',

one blockfbeing', relativelyfllonger thantli'e otherV with the shortblock ,beingfar'ranged at an )inclination respect V to the oth'enfaWeds?.1nemhffbetireen-sd blocks, means for securing' the` 'blocksSfSG'iated :andi/brass# ine threueh the. .Wedge fmeinbefyieletrc'Switfl, mfmsjcariedlby. 'each Meer.; .trl'ley carriers associated withsaid blocls a1id'trol ley carriers c oopveratingfyvith the tro riers.,first fmentio-ne `"aIlOlv Qilrried swtchfmeans'. ,f 2a A QQmbine freeaifideet'e insulator. ffl'l? Sing @Piifffbls'f I sula'ting inaterial,fgne of riers, cap members having Vthe last mentloned trolley carrlers,and secured to the blocks at the juncture thereof, guard rails formedwith said bridging casting, a cap formed with said bridging casting andblocks, a trolley carrier formed with said bridging` casting andextendingbe'yo-nd the last by the opposite end of the last mentionedblock and the other block respectively, trolley carriers formedwith thebridging casting in a line with the second mentioned trolley carformedtherewith cured to said blocks, electric switch means carried'by saidblocks, and trolleycarriers carried by said switch means and adapted tobe aligned with other trolley carriers.

3. A combined frog and section insulator comprising said blocks ataninclination with respect thereto and from substantially midway the endsthereof, cap members secured about the ends of said blocks,

blocks secured together, one of said blocks,

riers formed` trolley formed a bridging casting, trolley carwith saidbridging casting,the carriers of one cap ymember being said switch meansfor cooperation with other of said trolley carriers.

p A device of the character described comprising a pair of blockssecured together with one block disposed at an inclination with respectto the other, cap members secured to the ends of said blocks, a bridgingcasting having one of said cap members formed therewith and disposed atthe juncture `o the blocks with each other, said bridging castingextending beyond guard rails formed with' said bridging casting, trolleycarriers formed with said bridging casting, trolley carriers formed withthe other cap members, means formed with said cap members and bridgingcasting and disposed upon the outer sides of said blocks, clips formedwith the last mentioned means in parallel pairs, switch blades havingone of their ends pivotally secured to some of the pairs of clips, andmovable for engagement `with the yother pairs, insulating handles forsaid blades, and trolley, carriers carried by said blades for thepurposespecied.

In testimony whereof we ax our signatures. THOMAS A. THOMAS. WADII-I F.HAWIE, SR.

disposed about the end of one of said e mentioned end, trolley carrierscarriedv extending from the other block trolley carriers formed withsaid cap o members and extending beyond the ends of with said Abridging'casting, electric l swltch means and trolley carriers carried byk thesides of the` blocks,

